Evaluate the following integrals:
We know d(sinx) = cosx, and cot can be written in terms of cos and sin
∴
∴ The given equation can be written as
⇒
⇒
Now assume sinx = t
d(sinx) = dt
cosx dx = dt
Substitute values of t and dt in above equation
⇒
⇒
⇒
⇒
⇒